<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app"></div>
    <script src="./src/react.js"></script>
    <script src="./src/react-dom.js"></script>
    <script src="./src/babel.js"></script>
    <script type="text/babel">
        let flag = false
        let str;
        if (flag == true) {
            str = <h1>你个老六</h1>
        } else {
            str = <h1>你真是个老六</h1>
        }
        let h1Dom = (
            <div>
                {flag == false ? <h1>嗨嗨嗨</h1> : <h1>哈哈哈</h1>}
                {str}
            </div>
        )
        ReactDOM.render(
            h1Dom,
            document.getElementById('app')
        )
    </script>
</body>

</html>